package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@Slf4j
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
//        log.info("新增菜品: {}", dishDTO);
//        dishDTO.getFlavors().forEach(dishFlavor -> dishFlavor.setDishId(dishDTO.getId()));
//        log.info("新增菜品: {}", dishDTO);
        dishService.saveWithFlavor(dishDTO);
        // 重新更新缓存
        String key = "dish_" + dishDTO.getCategoryId();
        deleteCache(key);
        log.info("新增菜品，重新更新缓存");
        return Result.success();
    }


    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询");
        PageResult pageResult = dishService.page(dishPageQueryDTO);
        return Result.success(pageResult);
    }


    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam List<Long> ids) {

        log.info("批量删除菜品：{}", ids);
        dishService.delete(ids);
        deleteCache("key_*");
        return Result.success();
    }


    @GetMapping("/{id}")
    @ApiOperation("根据 ID 查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据 ID 获取菜品信息：{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO) {

        log.info("修改菜品：{}", dishDTO);
        dishService.updateDish(dishDTO);
        deleteCache("key_*");
        return Result.success();
    }

    @PostMapping("/status/{status}")
    @ApiOperation("起售、停售菜品")
    public Result startOrStop(@PathVariable Integer status, Long id) {
        log.info("起售、停售菜品：{}", id);
        dishService.startOrStop(status, id);
        deleteCache("key_*");
        return Result.success();
    }

    @GetMapping("/list")
    @ApiOperation("根据分类 id 查询菜品")
    public Result<List<DishVO>> list(@RequestParam("categoryId") Long id) {
        log.info("根据分类 id 查询菜品：{}", id);
        List<DishVO> list = dishService.getByCategoryId(id);
        return Result.success(list);
    }

    /**
     * 1、所有更新、插入、删除操作，重新更新缓存
     *
     */
    private void deleteCache(String pattern) {
        log.info("重新更新缓存");
        // 删除所有缓存
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
